// Tencent is pleased to support the open source community by making ncnn available.
//
// Copyright (C) 2017 THL A29 Limited, a Tencent company. All rights reserved.
//
// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// https://opensource.org/licenses/BSD-3-Clause
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.

#ifndef NCNN_PARAMDICT_H
#define NCNN_PARAMDICT_H

#include <stdio.h>
#include "mat.h"
#include "platform.h"

// at most 20 parameters
#define NCNN_MAX_PARAM_COUNT 20

namespace ncnn {

    class Net;

    class ParamDict {
    public:
        // get int
        int get(int id, int def) const {
            return params[id].loaded ? params[id].i : def;
        }

        // get float
        float get(int id, float def) const {
            return params[id].loaded ? params[id].f : def;
        }

        // get array
        Mat get(int id, const Mat &def) const {
            return params[id].loaded ? params[id].v : def;
        }

    protected:
        friend class Net;

        ParamDict();

        void clear();

#if NCNN_STDIO
#if NCNN_STRING

        int load_param(FILE *fp);

#endif // NCNN_STRING

        int load_param_bin(FILE *fp);

#endif // NCNN_STDIO

        int load_param(const unsigned char *&mem);

    protected:
        struct {
            int loaded;
            union {
                int i;
                float f;
            };
            Mat v;
        } params[NCNN_MAX_PARAM_COUNT];
    };

} // namespace ncnn

#endif // NCNN_PARAMDICT_H
